Stefan K.
Expert Database and *nix Consultant
Highly experienced Oracle Database Professional with 15+ years of experience in the field. Oracle on LInux, AIX, Solaris, Tru64, HP-UX. Passionate researcher on Oracle internals and optimizations. Creator of Oracle's next-gen performance monitoring and reaction framework at zztat.net. I greatly enjoy working with all aspects of the Oracle database and its underlying technologies including the OS, network and storage needed for optimum database operations. Performance analysis and optimization, security evaluation and hardening, code optimization and troubleshooting, database design and architecture, APEX web development, AJAX & jQuery.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $69k
$35k in the last 6 months
Across 35 contracts
Earnings, last 30 days
Skill rankings: #1 in 1 skill of 7
Rarest: top 0.33% in Scripting, of 2,145. Ranked by MRR among everyone on Upwork with the skill.
- Oracle APEX84 freelancers · 🇹🇭 #1Top 1%🇹🇭#1 of 1
- Oracle PLSQL399 freelancers · 🇹🇭 #1Top 0.50%🇹🇭#1 of 4
- Unix System Administration87 freelancers · 🇹🇭 #1Top 3%🇹🇭#1 of 4
- #4Security Analysis357 freelancers · 🇹🇭 #1Top 1%🇹🇭#1 of 2
- #7Scripting2,145 freelancers · 🇹🇭 #1Top 0.33%🇹🇭#1 of 7
- #9Performance Optimization1,100 freelancers · 🇹🇭 #1Top 0.82%🇹🇭#1 of 5
- #15Linux System Administration2,578 freelancers · 🇹🇭 #2Top 0.58%🇹🇭#2 of 12